CA State Lead Supervisor Exam 2022 with complete solution

CA State Lead Supervisor Exam 2022 with complete solution The Consumer Product Safety Commission restricts the amount of lead in coatings to what? 90ppm .009% As of 2012 The Consumer Product Safety Commussion restricts the amount of lead in coatings on what surfaces? Residential Structures Publicly accessed commercial buildings Recreational areas Toys Play-ground equipment Which homes have a 86% chance of containing lead based paint according to EPA? Homes built before 1940 Which homes have an 66% chance of containing lead based paint according to EPA? Homes built between 1940 & 1959 Which homes have a 25% chance of containing lead based paint according to EPA? Homes built between 1960 & 1978 1g is equal to what? 1,000 mg 1,000,000ug What percentage is 6,000ppm? 0.6% 10ppm is equal to what percent? 0.001 What is the CDC level of concern for children? 5ug/dl How much lead do pregnant women & children absorb versus adults? Preg women & children 50% Adults 10-15% Where is most the lead absorbed by the body stored? In the bones Childrens reaction to lead at 100 ug/dl Seizures, brain swelling, death Childrens reaction to lead at 10 ug/dl Slight IQ loss, hearing & growth problems According to Title 17, who can write abatement plans for lead? Supervisor, project designer, project monitor According to Title 17, who can perform clearance inspections for lead? Project monitor Inspector/assessor According to Title 17, who can perform risk assessments for lead? Inspector/assessor Lead standard requirements at the exposure limit of 30 ug/m3 (air) Cal/OSHA Medical surveillance Training Hand washing facilities Lead standard requirements at the exposure limit of 50 ug/m3 (air) Cal/OSHA Respirators Showers PPE Hand washing facilities Warning signs Change areas Eating facilities How do you calculate the PEL for employees working longer than 8 hours in a day? 400 divided by # of hours worked = PEL What activities are included in Class 1 trigger task? Manual demo Manual scraping Manual sanding Heat gun use Power took cleaning w/dust collection systems Spray painting w/lead paint What is the minimum protection required in Trigger task class 1? 1/2 face respirator What activities are included in Class 2 trigger task? Using Lead mortar Lead burning Rivet busting Power tool cleaning without dust collection system Abrasive blasting enclosure movement and removal What is the minimum protection required in Trigger task class 2? Full face respirator What activities are included in Class 3 trigger task? Abrasive blasting Welding Cutting Torch burning What is the minimum protection required in Trigger task class 3? Full face PAPR or SAR When must employers offer a one-time blood sampling & analysis to an employee exposed to lead?